22012213111 has 12 divisors (see below), whose sum is σ = 25930175520. Its totient is φ = 18628777440.

The previous prime is 22012213061. The next prime is 22012213117. The reversal of 22012213111 is 11131221022.

It is not a de Polignac number, because 22012213111 - 2¹⁵ = 22012180343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012213117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2839350 + ... + 2847091.

It is an arithmetic number, because the mean of its divisors is an integer number (2160847960).

Almost surely, 2^22012213111 is an apocalyptic number.

22012213111 is a deficient number, since it is larger than the sum of its proper divisors (3917962409).

22012213111 is an equidigital number, since it uses as much as digits as its factorization.

22012213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686534 (or 5686527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22012213111 its reverse (11131221022), we get a palindrome (33143434133).

The spelling of 22012213111 in words is "twenty-two billion, twelve million, two hundred thirteen thousand, one hundred eleven".